TULASI (Seed) in Ayurveda Botanical Name Ocimum sanctum Linn

TULASI (Seed)

Tulasi consists of seeds of Ocimum sanctum Linn. (Fam. Lamiacem), an erect, branched, annual herb, found throughout the country, and also cultivated

SYNONYMS

Sanskrit : Surasa, Surasa, Bahumaniri, Bhutaghn
Assamese : Tulasi
Bengali : Tulasi
English : Holi Basil, Sacred Basil
Gujrati : Tulsi, Tulasi
Hindi : Tulasi
Kannada : Tulasi, Sri tulasi
Kashmiri : Tulasi
Malayalam : Tulasi
Marathi : Tulasi
Oriya : —
Punjabi : Tulasi
Tamil : Tulasi, Thulasi, Thiruthazhai
Telugu : Tulasi, Manchi Tulasi, Nalla Tulasi
Urdu : Tulsi

DESCRIPTION

a) Macroscopic

Seeds round to oval, about 0.1 cm long, brown with mucilaginous outer covering, slightly notched at the tip and broadly rounded at the base; no odour; taste, pungent, and slightly mucilaginous.

Powder – Brown; shows groups of polygonal, thick-walled, epidermal cells, 28 to 55 n in size; oval to polygonal, parenchymatous cells containing oil globules and starch grains simple as well as compound, having 2 to 5 components, single grains measuring 3 to 17 n in dia. Swelling Index- Not less than 5, when determinied as follows: Introduce the accurately weighed seeds into a 25 ml glass stoppered measuring cylinder. The length of the graduated portion of the cylinder should be 125 mm; the internal diameter 16 mm subdivided in 0.2 ml and marked from 0 to 25 ml in up wards direction. Add 25 ml of water, and shake the mixture thoroughly at intervals of every 10 minutes for 1 hour. Allow to stand for 3 hours at room temperature. Measure the volume in ml occupied by the seeds, including any sticky mucilage. Carry out simultaneously not less than 3 determination and calculate the mean value of the individual determinations, related to 1 g of seeds.

IDENTITY, PURITY AND STRENGTH

Foreign matter Not more than 2 per cent, Appendix 2.2.2.
Total Ash Not more than 8 per cent, Appendix 2.2.3.
Acid-insoluble ash Not more than 2 per cent, Appendix 2.2.4.
Alcohol-soluble extractive Not less than 4 per cent, Appendix 2.2.6.

T.L.C.

T.L.C. of alcoholic extract on Silica gel ‘G’ plate using Toluene: Ethylacetate (9:1) as mobile phase shows under U.V. (366 nm) three fluorescent zones at Rf. 0.36, 0.56 (both red) and 0.93 (blue). On spraying with Vanillin-Sulphuric acid reagent and heating the plate for about ten minutes at 110oC five spots appear at Rf. 0.04, 0.23, 0.36, 0.70 and 0.93 (all violet).

CONSTITUENTS – Fixed Oil and Mucilage

PROPERTIES AND ACTION

Rasa : Katu, Tikta, Kasaya
Guna : Laghu, Ruksa, Tiksna
Virya : Usna
Vipaka : Katu
Karma : Dahakrta, Vranasodhaka, Hrdya, Krmighna, Kaphahara, Pittahara, Vatahara, Rucikrt, Dipana, Visahara

IMPORTANT FORMULATIONS – Muktadi Mahanjanasa

THERAPEUTIC USES – Sopha, Aruci, Hikka, Kasa, Krmi, Kustha, Mutrakrcchra, Pratisyaya, Svasa, Parsvasula, Putigandha, Garavisa, Rakta Vikara, Jantuvisa, Bhutaroga

DOSE – 1-2 gm of the seed in powder form.

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